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124 lines
3.0 KiB
124 lines
3.0 KiB
## 使用Console Application
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本教程将介绍如何从头开始以最小的依赖关系启动ABP. 你通常希望以 **[启动模板](https://abp.io/Templates)** 开头.
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### 创建一个新项目
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使用Visual Studio创建一个新的.Net Core Console应用程序:
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### 安装 Volo.Abp 包
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Volo.Abp.Core是创建基于ABP的应用程序的核心nuget包. 所以,将它安装到你的项目中:
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````
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Install-Package Volo.Abp.Core
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````
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### 创建第一个ABP模块
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ABP是一个模块化框架, 它需要一个从``AbpModule``类派生的 **启动(根)模块** 类:
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````C#
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using Microsoft.Extensions.DependencyInjection;
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using Volo.Abp.Modularity;
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namespace AbpConsoleDemo
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{
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public class AppModule : AbpModule
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{
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}
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}
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````
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``AppModule`` 是应用程序启动模块的好名称.
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### 初始化应用程序
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下一步是使用上面创建的启动模块引导应用程序:
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````C#
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using System;
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using Volo.Abp;
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namespace AbpConsoleDemo
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{
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class Program
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{
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static void Main(string[] args)
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{
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using (var application = AbpApplicationFactory.Create<AppModule>())
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{
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application.Initialize();
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Console.WriteLine("Press ENTER to stop application...");
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Console.ReadLine();
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}
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}
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}
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}
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````
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``AbpApplicationFactory`` 用于创建应用程序并加载所有以``AppModule``作为启动模块的模块. ``Initialize()``方法启动应用程序.
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### Hello World!
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上面的应用程序什么都不做, 让我们创建一个服务做一些事情:
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````C#
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using System;
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using Volo.Abp.DependencyInjection;
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namespace AbpConsoleDemo
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{
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public class HelloWorldService : ITransientDependency
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{
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public void SayHello()
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{
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Console.WriteLine("Hello World!");
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}
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}
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}
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````
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``ITransientDependency``是ABP的一个特殊接口, 它自动将服务注册为**Transient**(参见[依赖注入文档](Dependency-Injection.md)).
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现在,我们可以解析``HelloWorldService``并调用``SayHello``. 更改Program.cs, 如下所示:
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````C#
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using System;
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using Microsoft.Extensions.DependencyInjection;
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using Volo.Abp;
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namespace AbpConsoleDemo
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{
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class Program
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{
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static void Main(string[] args)
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{
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using (var application = AbpApplicationFactory.Create<AppModule>())
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{
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application.Initialize();
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// 解析服务并使用它
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var helloWorldService =
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application.ServiceProvider.GetService<HelloWorldService>();
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helloWorldService.SayHello();
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Console.WriteLine("Press ENTER to stop application...");
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Console.ReadLine();
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}
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}
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}
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}
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````
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这对于这个简单的代码示例已足够, 如果是直接从``IServiceProvider``解析建议创建**Scoped**依赖.(参见[依赖注入文档](Dependency-Injection.md)).
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### 源码
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从[这里](../samples/BasicConsoleApplication)获取本教程中创建的示例项目的源代码. |